On Wed, 2014-09-17 at 18:50 +0200, Dirkjan Ochtman wrote: > On Wed, Sep 17, 2014 at 6:42 PM, David Robillard <d@xxxxxxxxxxxx> wrote: > > It seems that raw nanomsg sockets make it possible to do such things, > > but how to go about it isn't clear to me. > > They are, and there are numerous discussions about it in the mailing > list archives. The gist of it is that a recv on an AF_RAW socket gives > you a small header plus the actual message, and the header will allow > you to route it back to the appropriate client. Sorry that we don't > have any particularly useful documentation for this; do ask more > questions in this thread after digging through the list archive for a > bit. I have done quite a bit of searching, though perhaps with the wrong keywords. I guess I will try looking into raw sockets in general and see how to pluck said information out of the header. Thanks, -- dr